| AAFC | Agriculture and Agri-Food Canada |
| ABT | Agreement on Basic Telecommunications |
| AGP | Agreement on Government Procurement |
| AIT | Agreement on Internal Trade |
| APEC | Asia-Pacific Economic Cooperation forum |
| AQSIQ | Administration for Quality Supervision, Inspection and Quarantine (China) |
| ARTQ | Autonomous Tariff Rate Quota |
| ASEAN | Association of Southeast Asian Nations |
| BSE | Bovine Spongiform Encephalopathy |
| BSL | (Japan's) Building Standards Law |
| CA4 | Central America Four: El Salvador, Guatemala, Honduras and Nicaragua |
| CAP | Common Agricultural Policy |
| CARICOM | Caribbean Community |
| CCA | Consultative Committee on Agriculture |
| CCC | Canadian Commercial Corporation |
| CCRFTA | Canada-Costa Rica Free Trade Agreement |
| CCFTA | Canada-Chile Free Trade Agreement |
| CDIA | Canadian Direct Investment Abroad |
| CEAA | Canadian Environmental Assessment Agency |
| CET | Common External Tariff |
| CFE | Comisión Federal de Electricidad (Mexico's state electricity firm) |
| CFIA | Canadian Food Inspection Agency |
| CIBS | Canada's International Business Strategy |
| CIDA | Canadian International Development Agency |
| CIFTA | Canada-Israel Free Trade Agreement |
| CISDL | Centre for International Sustainable Development Law |
| CITT | Canadian International Trade Tribunal |
| DFO | Department of Fisheries and Ocean |
| DSB | Dispute Settlement Body |
| DSU | Dispute Settlement Understanding |
| EC | European Commission |
| E-Comm | Electronic Commerce |
| EDC | Export Development Corporation |
| EEP | U.S. Export Enhancement Program |
| EFTA | European Free Trade Association |
| EIA | Environmental Impact Assessments |
| EMU | Economic and Monetary Union |
| EU | European Union |
| EVSL | Early Voluntary Sectoral Liberalization |
| EXTUS | Exporters to the United States |
| FAC | Foreign Affairs Canada |
| FAO | Food and Agriculture Organization of the United Nations |
| FAST | Free and Secure Trade (U.S. border Initiative) |
| FCM | Federation of Canadian Municipalities |
| FDA | U.S. Food and Drug Administration |
| FDI | Foreign Direct Investment |
| FEMA | Foreign Extraterritorial Measures Act |
| FERC | U.S. Federal Energy Regulatory Commission |
| FHWA | U.S. Federal Highway Administration |
| FIPA | Foreign Investment Protection and Promotion Agreement |
| FSA | Financial Services Agency (Japan) |
| FSL | Food Sanitation Law |
| FTA | (Canada-U.S.) Free Trade Agreement |
| FTA | U.S. Federal Transit Administration |
| FTAA | Free Trade Area of the Americas |
| GAO | U.S. General Accounting Office |
| GATS | General Agreement on Trade in Services |
| GATT | General Agreement on Tariffs and Trade |
| GDP | Gross domestic Product |
| GI | Geographical Indication |
| GM | Genetically Modified |
| GMO | Genetically Modified Organism |
| GPP | Gross Provincial/Regional Product |
| GPT | General Preferential Tariff |
| G-7/8 | Group of Seven leading industrialized nations plus Russian Federation |
| HACCP | (U.S.) Seafood Hazard Analysis Critical Control Point regulations |
| HS | Harmonized Commodity Description and Coding System |
| IBETS | Integrated Border Enforcement Teams |
| IDD | International Direct Dialing (telephone services) |
| ICT | Information and Communication Technologies |
| IEC | Intergovernmental Economic Commission (Canada-Russia, Canada-Ukraine) |
| IFI | International Financial Institutions |
| ILO | International Labour Organization |
| ILSA | (U.S.) Iran and Libya Sanctions Act of 1996 |
| IMF | International Monetary Fund |
| IP | Intellectual Property |
| ISO | International Organization of Standardization |
| ISTEA | (U.S.) Intermodal Surface Transportation Efficiency Act |
| IT | Information Technology |
| ITA | Information Technology Agreement (1997) |
| ITC | U.S. International Trade Commission |
| ITCan | International Trade Canada |
| JAS | Japan Agricultural Standards |
| JETRO | Japan External Trade Organization |
| JWPTE | Joint Working Party on Trade and Environment |
| LDC | Least Developed Country |
| LIBERTAD | (U.S.) Cuban Liberty and Democratic Solidarity Act of 1996 (Helms-Burton Act) |
| MAFF | Ministry of Agriculture, Forestry and Fisheries (Japan) |
| Mercosur | Southern Cone Common Market (Argentina, Brazil, Paraguay and Uruguay) |
| MFN | Most-Favoured-Nation |
| MMPA | Marine Mammal Protection Act (U.S.) |
| MMT | Manganese-Based Fuel Derivative |
| MOU | Memorandum of Understanding |
| MRA | Mutual Recognition Agreement |
| NAFTA | North American Free Trade Agreement |
| NATAP | North American Trade Automation Prototype |
| NEBS | New Exporters to Border States |
| NGO | Non-Government Organization |
| NIICD | New International Instrument on Cultural Diversity |
| NIST | U.S. National Institute of Standards and Technology |
| NSI | North South Institute |
| NTB | Non-Tariff Barrier |
| NTT | Nippon Telegraph and Telephone |
| OAS | Organization of American States |
| OECD | Organization for Economic Co-operation and Development |
| OECS | Organization of Eastern Caribbean States |
| OIE | World Organization for Animal Health (OIE, formerly known as the Office International des Epizooties) |
| OSHA | U.S. Occupational Safety and Health Administration |
| PEMEX | Petróleos Mexicanos (Mexico's state oil firm) |
| PWN | Pinewood Nematode |
| R&D | Research and Development |
| ROO | Rules of Origin |
| S&DT | Special and Differential Treatment |
| SAGIT | Sectoral Advisory Group on International Trade |
| SBT | Single Business Tax |
| SCFAIT | Standing Committee on Foreign Affairs & International Trade |
| SCC | Standards Council of Canada |
| SCP | Sugar-Containing Product |
| SEA | Strategic Environmental Assessment |
| SECOFI | Secretaria de Comercio y Fomento Industrial (Mexico's Ministry of Trade and Industrial Development) |
| SERC | State Regulatory Commission |
| SME | Small and Medium-Sized Enterprise |
| SPS | Sanitary and Phytosanitary Measures |
| SPWG | Special Partnership Working Group (Canada-Korea) |
| SRM | Specified Risk Material |
| STAR | Secure Trade in the APEC Region |
| TBT | Technical Barriers to Trade |
| TCIAB | Team Canada Inc. Advisory Board |
| TEA-21 | (U.S.) Transportation Equity Act for the 21st Century |
| TECA | Trade and Economic Co-operation Arrangement |
| TICA | Trade and Investment Co-operation Arrangement |
| TIEA | Trade Investment Enhancement Agreement (Canada - EU) |
| TNC | Trade Negotiations Committee (FTAA) |
| TPRM | Trade Policy Review Mechanism |
| TRIMs | Agreement on Trade-Related Investment Measures |
| TRIPs | Agreement on Trade-Related Aspects of Intellectual Property Rights |
| TRQs | Tariff Rate Quotas |
| TRTA | Trade Related Technical Assistance |
| TSE | Transmissible Spongiform Encephalopathies |
| UR | Uruguay Round |
| USTR | United States Trade Representative |
| VOCs | Volatile Organic Compounds |
| WHO | World Health Organization |
| WIPO | World Intellectual Property Organization |
| WPPS | Working Party on Professional Services (WTO) |
| WTO | World Trade Organization |